Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Door schedule

Graphite on paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Black ink on off-white wove paper (recto and verso)

Black ink on tan wove paper

Charcoal on heavy buff wove paper

Graphite sketches on brown paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Black ink on tan wove paper

Black crayon on paper

Acrylic, graphite, and computer print-out on off-white wove paper